A Software Defined Approach for Improving Resilience in Smart Distribution Grids

G. Brown, N. Ventura, Joyce B. Mwangama
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引用次数: 5

Abstract

Smart grid is an essential part of the world's changing energy landscape. The uptake of smart grid by utilities is however hampered by the perceived complexity and large capital investment required to implement resilient Information Communication Technology (ICT) and networks that can support self-healing smart grids. Furthermore, failure to meet stringent smart grid communication reliability requirements can have disastrous consequences for grid owners and users. Many of the challenges utilities face with their smart grid ICT network development plans can be attributed to a reliance on conventional designs centred on expanding network hardware infrastructure in vast grid networks. What is needed to overcome these challenges is alternative ways of designing smart grid communication networks, using software defined approaches. This paper proposes a framework that supports software defined designs by combining the principles of the Internet of Things (IoT) paradigm and Machine-to-Machine (M2M) communication. Using the frameworks of software defined systems and virtualisation, our proposed architecture aims to provide a more flexible and affordable approach to developing and maintaining grid communication networks while offering a high level of network reliability, required for various smart grid applications. An evaluation of the implementation of this architecture in a design, based on a real city distribution grid, shows that a software defined communication network is easy to implement when using virtual machines running on existing computer infrastructure and that it is capable of supporting the network functions required for improving communication reliability. We conclude that this approach can potentially promote the adoption of smart grid by utilities while offering new innovative ways for smart grid developers to improve their grid designs.
一种提高智能配电网弹性的软件定义方法
智能电网是世界能源格局变化的重要组成部分。然而,公用事业公司对智能电网的采用受到实施弹性信息通信技术(ICT)和网络所需的复杂性和大量资本投资的阻碍,这些技术和网络可以支持自我修复的智能电网。此外,如果不能满足严格的智能电网通信可靠性要求,可能会给电网所有者和用户带来灾难性的后果。公用事业公司在其智能电网ICT网络发展计划中面临的许多挑战可归因于对传统设计的依赖,这些设计以在庞大的电网中扩展网络硬件基础设施为中心。克服这些挑战所需要的是设计智能电网通信网络的替代方法,使用软件定义的方法。本文通过结合物联网(IoT)范式和机器对机器(M2M)通信的原则,提出了一个支持软件定义设计的框架。使用软件定义系统和虚拟化的框架,我们提出的架构旨在提供更灵活和负担得起的方法来开发和维护电网通信网络,同时提供各种智能电网应用所需的高水平网络可靠性。在一个基于实际城市配电网的设计中,对该体系结构的实现进行了评估,结果表明,当使用运行在现有计算机基础设施上的虚拟机时,软件定义的通信网络易于实现,并且能够支持提高通信可靠性所需的网络功能。我们的结论是,这种方法可以潜在地促进公用事业对智能电网的采用,同时为智能电网开发商提供新的创新方法来改进他们的电网设计。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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